/* <summary>
* // Subclasses can call this method to add a triangle to the end of the queue. This is useful for
* // initializing the queue to a chosen set of triangles.
* // </summary>
* // <param name="tri">a triangle</param>
* /*
* protected void addLast(QuadEdgeTriangle tri) { triQueue.addLast(tri); }
*/
/// <summary>
/// Subclasses call this method to perform the visiting process.
/// </summary>
public void VisitAll(ITraversalVisitor visitor)
{
while (_triQueue.Count > 0)
{
var tri = _triQueue.First.Value;
_triQueue.RemoveFirst();
Process(tri, visitor);
}
}
/* <summary>
// Subclasses can call this method to add a triangle to the end of the queue. This is useful for
// initializing the queue to a chosen set of triangles.
// </summary>
// <param name="tri">a triangle</param>
/*
* protected void addLast(QuadEdgeTriangle tri) { triQueue.addLast(tri); }
*/
/// <summary>
/// Subclasses call this method to perform the visiting process.
/// </summary>
public void VisitAll(ITraversalVisitor visitor)
{
while (_triQueue.Count > 0)
{
QuadEdgeTriangle tri = _triQueue.First.Value;
_triQueue.RemoveFirst();
Process(tri, visitor);
}
}
private void Process(QuadEdgeTriangle currTri, ITraversalVisitor visitor)
{
currTri.GetNeighbours();
for (int i = 0; i < 3; i++)
{
QuadEdgeTriangle neighTri = (QuadEdgeTriangle)currTri.GetEdge(i).Sym.Data;
if (neighTri == null)
continue;
if (visitor.Visit(currTri, i, neighTri))
_triQueue.AddLast(neighTri);
}
}
private void Process(QuadEdgeTriangle currTri, ITraversalVisitor visitor)
{
currTri.GetNeighbours();
for (int i = 0; i < 3; i++)
{
var neighTri = (QuadEdgeTriangle)currTri.GetEdge(i).Sym.Data;
if (neighTri == null)
{
continue;
}
if (visitor.Visit(currTri, i, neighTri))
{
_triQueue.AddLast(neighTri);
}
}
}
///-------------------------------------------------------------------------------------------------
/// <summary>
/// With visitor.
/// </summary>
/// <param name="visitor">
/// The visitor.
/// </param>
/// <returns>
/// A TraversalBuilder.
/// </returns>
///-------------------------------------------------------------------------------------------------
public TraversalBuilder WithVisitor(ITraversalVisitor visitor)
{
Contract.Requires(visitor, "visitor");
_query.Evaluator = visitor;
return(this);
}
